/* ToolboxFRM Homepage - Design System */

:root {
    /* Primary Colors */
    --primary: #132190;
    --primary-hover: #0d1660;
    --primary-light: rgba(19, 33, 144, 0.1);

    /* Semantic Colors */
    --success: #10b981;
    --success-light: rgba(16, 185, 129, 0.1);
    --warning: #f59e0b;
    --warning-light: rgba(245, 158, 11, 0.1);
    --error: #ef4444;
    --error-light: rgba(239, 68, 68, 0.1);

    /* Accent Colors */
    --purple: #8b5cf6;
    --purple-light: rgba(139, 92, 246, 0.1);

    /* Grayscale */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Sizing */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8ec 100%);
    min-height: 100vh;
    color: var(--gray-800);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 3rem;
}

.header-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: var(--shadow-lg);
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.header-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 500px;
    margin: 0 auto;
}

/* Tools Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

/* Tool Card */
.tool-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-decoration: none;
    color: inherit;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.tool-card:hover .tool-cta {
    color: var(--primary);
}

.tool-card:hover .arrow {
    transform: translateX(4px);
}

/* Tool Icon */
.tool-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.tool-icon--blue {
    background: var(--primary-light);
    color: var(--primary);
}

.tool-icon--green {
    background: var(--success-light);
    color: var(--success);
}

.tool-icon--purple {
    background: var(--purple-light);
    color: var(--purple);
}

/* Tool Content */
.tool-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

.tool-description {
    font-size: 0.9375rem;
    color: var(--gray-600);
    margin-bottom: 1.25rem;
    flex-grow: 1;
}

.tool-features {
    list-style: none;
    margin-bottom: 1.5rem;
    padding: 0;
}

.tool-features li {
    font-size: 0.875rem;
    color: var(--gray-500);
    padding: 0.25rem 0;
    padding-left: 1.25rem;
    position: relative;
}

.tool-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.625rem;
    width: 6px;
    height: 6px;
    background: var(--success);
    border-radius: 50%;
}

.tool-cta {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--gray-700);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.2s ease;
}

.arrow {
    display: inline-block;
    transition: transform 0.2s ease;
}

/* Footer */
.footer {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--gray-200);
}

.footer p {
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* Responsive */
@media (max-width: 768px) {
    .app-container {
        padding: 1.5rem 1rem;
    }

    .header h1 {
        font-size: 2rem;
    }

    .header-description {
        font-size: 1rem;
    }

    .tools-grid {
        grid-template-columns: 1fr;
    }

    .tool-card {
        padding: 1.5rem;
    }
}